Maine Has The Largest Tidal Whirlpool In the Western Hemisphere
Did you know that just off the coast of Eastport, Maine is the largest tidal whirlpool in the western hemisphere? It's the 'Old Sow' whirlpool has a diameter of approximately 250 feet.
The Old Sow is one of five major whirlpools worldwide.
Small craft, especially vessels with keels (sailboats) and human-powered vessels, are warned to avoid these waters when the tide is running.